DenozordecandCursor
5858d0889e
Пагинация cursor/limit для CDN, AS, domain и IP range list; ответы с next_cursor и has_more по OpenAPI. Добавлен writePaginatedListJSON и тест. Co-authored-by: Cursor <[email protected]>
39 lines
892 B
Go
39 lines
892 B
Go
package httpapi
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import (
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"net/http"
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"strconv"
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"evobgp/internal/store"
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)
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func parseListLimit(r *http.Request) int {
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limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
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if limit <= 0 {
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return 50
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}
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if limit > 500 {
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return 500
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}
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return limit
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}
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func strPtrOrNull(s string) any {
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if s == "" {
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return nil
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}
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return s
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}
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// writePaginatedListJSON returns a cursor/limit page as OpenAPI list envelopes (items, next_cursor, has_more).
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func writePaginatedListJSON[T any](w http.ResponseWriter, r *http.Request, all []T, toItem func(T) map[string]any) {
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page, next, more := store.PaginateOffset(all, r.URL.Query().Get("cursor"), parseListLimit(r))
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items := make([]map[string]any, 0, len(page))
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for _, x := range page {
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items = append(items, toItem(x))
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}
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writeJSON(w, http.StatusOK, map[string]any{
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"items": items, "next_cursor": strPtrOrNull(next), "has_more": more,
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})
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}
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